Circular 7894

A 2 cm thick layer of ice formed in the circular water tank. What part of the tank's water (answer in percent) froze if the tank has a diameter of 20 m and a depth of 1.5 m?

Correct answer:

p =  1.3333 %

Step-by-step explanation:

h1=2 cm m=2:100  m=0.02 m D=20 m h2=1.5 m  r=D/2=20/2=10 m S=π r2=3.1416 102314.1593 m2  V1=S h1=314.1593 0.026.2832 m3 V2=S h2=314.1593 1.5471.2389 m3  p=100 V2V1=100 471.23896.2832=341.3333 %  p2=100 h2h1=100 1.50.02=341.3333 %  p=p2=34=34%=1.3333%



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